6:36 p.m Best flex we’re likely to hear this weekend: “This one goes trasnochado to my ex because, bitch, I know you’re watching.” That’s how Chappell Roan — long red hair spilling over a T-shirt reading “EAT ME” — introduced “My Kink Is Karma” near the end of her electrifying set in the Gobi tent. And she was probably right: